From: Benjamin LaHaise <bcrl@redhat.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Maciej Zenczykowski <maze@druid.if.uj.edu.pl>,
linux-kernel@vger.kernel.org
Subject: Re: [OT] Wrapping memory.
Date: Sat, 1 Dec 2001 20:52:48 -0500 [thread overview]
Message-ID: <20011201205247.B31466@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.33.0112012249440.15977-100000@druid.if.uj.edu.pl> <E16AIZ8-0008Re-00@the-village.bc.nu>
In-Reply-To: <E16AIZ8-0008Re-00@the-village.bc.nu>; from alan@lxorguk.ukuu.org.uk on Sat, Dec 01, 2001 at 10:24:58PM +0000
On Sat, Dec 01, 2001 at 10:24:58PM +0000, Alan Cox wrote:
> > Is this at all possible? If so, how would I do this in user space (and
> > could it be done without root priv?)?
>
> mmap will do what you need. Create a 60K object on disk and mmap it
> at the base address and then 60K further on for 4K.
And try to use /dev/shm/ first...
-ben
next prev parent reply other threads:[~2001-12-02 1:53 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-12-01 22:03 [OT] Wrapping memory Maciej Zenczykowski
2001-12-01 22:24 ` Alan Cox
2001-12-02 1:52 ` Benjamin LaHaise [this message]
2001-12-02 10:24 ` Christoph Rohland
2001-12-02 17:53 ` David Woodhouse
2001-12-03 7:44 ` Christoph Rohland
2001-12-03 9:11 ` David Woodhouse
2001-12-04 10:40 ` Russell King
2001-12-04 16:39 ` Jamie Lokier
2001-12-04 21:03 ` Russell King
2001-12-04 10:45 ` David Woodhouse
2001-12-04 10:59 ` Russell King
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